| 摘要 |
PROBLEM TO BE SOLVED: To realize automatic changeover communication of a wired line and a radio channel by a communication equipment only on an existing communication network by selecting a communication control section of either a wired line or a radio channel suitable for a state of a condition on which priority is placed and a state of a detected channel to make communication. SOLUTION: A line management section 202 is made up of a line selection control section 103 controlling to which line a communication terminal equipment is connected and a line state storage section 102 or the like having a function of grasping a current operating state for each line. The line selection control section 103 applies switch control of a communication line according to a switch control instruction for selecting a line of a communication terminal equipment, that is, an instruction from a line use permission inhibit discrimination section 109. The line management section 202 is used to place priority on a radio channel state flag 107 and a wired line state flag 108, and when calls from wired communication and radio communication are received simultaneously, the collision of call reception is avoided according to the priority to receive the communication information. |
